Roto's Dosing Pumps

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Roto’s dosing pumps, also called RJ Series, are the best choice for metering applications where high accuracy and repeatability are essential. These progressing cavity pumps are designed to deliver smooth, non-pulsating, and low flow. They can handle flows as low as 0.68 litres per hour and maintain a repeatable accuracy of +/-1%. Made with high-quality materials, these dosing PC pumps are made to last despite moving difficult fluids, including viscous, abrasive, corrosive, and solid-laden media.

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DOSING SERIES

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Design Advantages

  • Smooth and non-pulsating flow, low shear action
  • Inherently self-priming, low NPSH required
  • No clog design and simple to operate
  • Suction lift capability up to 9.5-meter water column
  • Four stainless steel tie rods provide torsional stability
  • Corrosion-resistant stainless steel stator sleeves

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Material options
  • Shaft sealing
  • Spare parts
  • Accessories
  • Baseplate

Key Specifications

  • Max capacity: 460 lph
  • Max pressure: 24 bar
MODELS/SIZE CAPACITY (lph) PRESSURE (BAR)
RJ01 6.8 24
RJ03 15.9 24
RJ07 42 24
RJ14 84.3 24
RJ30 166.3 24
RJ80L 460 6

Applications

  • Chemical
  • Wastewater treatment
  • Pulp and paper
  • Cosmetic
  • Homecare
  • Pharmaceutical
  • Petrochemical
  • Oil and gas
  • Mining
  • Food and beverage

OUR RANGE OF AVAILABLE DOSING PUMPS

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Abaque Peristaltic Hose Pump HD100 model

RJ01

Abaque Peristaltic Hose Pump HD100 model

RJ03

Abaque Peristaltic Hose Pump HD100 model

RJ07

Abaque Peristaltic Hose Pump HD100 model

RJ14

Abaque Peristaltic Hose Pump HD100 model

RJ30

Abaque Peristaltic Hose Pump HD100 model

RJ80L

PRINCIPLE OF OPERATION

Progressive Cavity Pumps

ROTO’s PCP pump comprises a precision-machined single external helix metallic rotor that rotates inside an internal double helix elastomer stator. The special construction and material of this pump allow it to create a sealing line along the axis of the rotor that is maintained in both static and dynamic conditions. As the rotor turns within the stator and fluid enters the pump, cavities are formed and progress as fluid is moved from the suction to the discharge side.

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